Platinum 4" Multi-Function - Tachometer & Voltmeter Faria Beede&';s Platinum Series Instruments feature spun aluminum gauge dials with custom graphics and a polished stainless steel bezel providing a rugged, elegant look. All Platinum Series gauges feature Faria&';s revolutionary domed glass Fog-Resistant lens. These lenses shed condensation and resists scratching and other types of fouling common in the marine environment. Multi-Function Gauge Displays: Tachometer (7000 RPM) Voltmeter (10 - 18 VDC) 4" - Hole size: 3.375" (85mm)Specifications: Domed Glass Anti-fog, Scratch Resistant Lens Stainless Steel Bezel Blue LED Illuminating around the Perimeter of the Dial Illuminated Backlit Fire-Orange Tip Pointer Factory P/N GT0104*Sold as an Individual*Gauge Cover not IncludedThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Voltage - Input Range (Volts): 12/24 V Series: Platinum Gauge Type: Multifunction Gauge Size: 4" Box Set: No Box Dimensions: 5"H x 5"W x 6"L WT: 0.9 lbs UPC: 759266220164 Owner&';s Manual (pdf)Brochure (pdf)